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Nathan
Nathan, Installer
Category: TV
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Experience:  Custom home theater installer, authorized dealer top brands.
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My Sony nsx-46GT1 won't turn on. The red LED flashes 5

Customer Question

My Sony nsx-46GT1 won't turn on. The red LED flashes 5 times.
Submitted: 11 months ago.
Category: TV
Expert:  Nathan replied 11 months ago.

Hello, I’m Nathan, and I’ll be assisting you today. My livelihood depends on your positive feedback, so your satisfaction is my highest priority.

Sorry to hear you’re having trouble.

Unfortunately, the issues you are experiencing are symptomatic of an internal hardware defect, often a faulty power supply or main/control board, though there are many possible failure points. The 5 blink pattern specifically points to a potential panel fault (the lcd screen assembly, which can't be fixed). This issue could be a manufacturing defect, but is also often caused by a power event (shock/surge, prolonged over/under voltage condition, etc).

This could also be the result of age related wear and tear; as a 2010 model tv, that type of failure wouldn’t be surprising. The tv has passed its expected service life at this point.

There is one step you can take here, both as a possible fix, as well as a diagnostic evaluation:
1) Unplug the power cord from the outlet

2) Wait at least 1 hour (60+ Minutes)

3) Press and hold the power button (on the set, not the remote) for 60 seconds
4) Keep holding power button while plugging back in, and for another 60 seconds after. When plugging back in, go directly to the wall outlet, bypassing any power strips or surge protectors.

If this reset process does not work, it would unfortunately confirm an internal hardware failure.

This is something that would require repairs to correct; if you're thinking about a do it yourself repair, you'll need to be comfortable and skilled with electronics repairs, which would require dismantling the set (removing the back panel of the tv), diagnostics with a digital multimeter to test voltages inside, changing out boards as needed, and possibly desoldering/removing and soldering/replacing individual components.

If you’re considering repair at a local shop, you’ll find a typical repair to be around $300 for diagnostics, parts, and labor. If the issue turns out to be the panel, that cannot be repaired and there are no replacement panels available, and you'd still be out the initial diagnostic costs before getting to that point.

For a tv of this size/age, replacement will make more sense - you can get a brand new LED tv with a fresh warranty, in the $400 range which will make more sense in the long run.

Depending how you’d like to proceed here, I can help with finding parts, finding a repair shop, or recommending replacement options. Just let me know.

Best regards, ***** ***** for the news,

Nathan

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I am only paid for my efforts when customers such as yourself leave positive feedback for my work. Again I apologize there is not a better outcome here, though this is really beyond either of our control. I do hope you’ll consider leaving a positive rating for me, rather than “shoot the messenger”, so that I may get credit for my time spent in good faith to answer your question accurately.